import { mkdtemp, mkdir, rm, writeFile } from 'node:fs/promises'
import { tmpdir } from 'node:os'
import { join, resolve } from 'node:path'
import { afterEach, describe, expect, it } from 'vitest'
import { runProcessSync } from '@orca/process-host'
import { main as verifyTogether } from './verify-localization-catalogs.mjs'
import { main as verifyCatalog } from './verify-localization-catalog.mjs'
import { main as verifyRuntimeCatalog } from './generate-runtime-required-english-catalog.mjs'

const directories = []
const renderer = 'src/renderer/src'
const englishPath = `${renderer}/i18n/locales/en.json`
const runtimePath = `${renderer}/i18n/en-runtime-required.json`

async function fixture() {
  const root = await mkdtemp(join(tmpdir(), 'orca-localization-checks-'))
  directories.push(root)
  await mkdir(join(root, renderer, 'i18n/locales'), { recursive: true })
  await mkdir(join(root, 'src/main'), { recursive: true })
  await writeFile(join(root, renderer, 'greeting.ts'), "translate('hello', 'Hello')\n")
  await writeFile(join(root, 'src/main/ready.ts'), "translateMain('ready', 'Ready')\n")
  await writeFile(
    join(root, englishPath),
    JSON.stringify({ hello: 'Hello', ready: 'Ready', dynamic: 'Required' })
  )
  await writeFile(join(root, runtimePath), JSON.stringify({ dynamic: 'Required' }))
  return root
}

afterEach(async () => {
  await Promise.all(directories.splice(0).map((root) => rm(root, { recursive: true, force: true })))
})

describe('combined localization verification', () => {
  it.each([
    ['valid catalogs', undefined, undefined, 0],
    ['missing reference', `${renderer}/greeting.ts`, "translate('missing', 'Missing')", 1],
    ['missing runtime entry', runtimePath, '{}', 1]
  ])(
    'runs the real CLI with the same Node and Bun verdict: %s',
    async (_name, file, contents, code) => {
      const root = await fixture()
      if (file) {
        await writeFile(join(root, file), contents)
      }
      const results = []
      for (const program of [process.execPath, 'bun']) {
        const result = runProcessSync({
          program,
          args: [resolve(import.meta.dirname, 'verify-localization-catalogs.mjs')],
          cwd: root,
          env: { ...process.env, ORCA_BACKGROUND_LAUNCH: '1' },
          timeoutMs: 10000
        })
        expect(result.code, result.stderr).toBe(code)
        expect(result.timedOut).toBe(false)
        results.push({ stdout: result.stdout, stderr: result.stderr })
      }
      expect(results[1].stdout.split('\n').sort()).toEqual(results[0].stdout.split('\n').sort())
      expect(results[1].stderr.split('\n').sort()).toEqual(results[0].stderr.split('\n').sort())
      expect(`${results[0].stdout}${results[0].stderr}`).toContain(
        code === 0 ? 'Verified 2 localization key references' : 'Run `pnpm run sync:localization'
      )
    }
  )

  it.each([
    ['valid catalogs', undefined, undefined, 0, 0],
    ['missing reference', `${renderer}/greeting.ts`, "translate('missing', 'Missing')", 1, 1],
    ['missing runtime entry', runtimePath, '{}', 0, 1],
    ['contradictory runtime entry', runtimePath, '{"dynamic":"Wrong"}', 0, 1],
    ['malformed runtime catalog', runtimePath, '{', 0, 1],
    [
      'inconsistent placeholders',
      `${renderer}/greeting.ts`,
      "translate('hello', 'Hello {{name}}'); translate('hello', 'Hello {{account}}')",
      1,
      1
    ]
  ])(
    'preserves both standalone verdicts: %s',
    async (_name, file, contents, catalogCode, combinedCode) => {
      const root = await fixture()
      if (file) {
        await writeFile(join(root, file), contents)
      }
      const results = await Promise.allSettled([
        verifyCatalog(root, {}),
        verifyRuntimeCatalog(root, [])
      ])
      expect(results[0]).toMatchObject({ status: 'fulfilled', value: catalogCode })
      const expected = results.some((result) => result.status === 'rejected' || result.value !== 0)
        ? 1
        : 0
      expect(expected).toBe(combinedCode)
      expect(await verifyTogether(root)).toBe(expected)
    }
  )

  it('reads source edits, new files, removals, and separate roots on each invocation', async () => {
    const root = await fixture()
    expect(await verifyTogether(root)).toBe(0)
    await writeFile(join(root, renderer, 'greeting.ts'), "translate('hello', 'New fallback')")
    expect(await verifyTogether(root)).toBe(1)
    await writeFile(join(root, renderer, 'greeting.ts'), "translate('hello', 'Hello')")
    expect(await verifyTogether(root)).toBe(0)
    await writeFile(join(root, 'src/main/added.ts'), "translateMain('absent', 'Absent')")
    expect(await verifyTogether(root)).toBe(1)
    await rm(join(root, 'src/main/added.ts'))
    expect(await verifyTogether(root)).toBe(0)
    expect(await verifyTogether(await fixture())).toBe(0)
  })
})